1300 393 583

Availability: in stock Metrel MI-3125BT

Free Delivery
Dispatched Same Day
100% Money Back Guarantee
The Mi-3125BT is a 12 tests in one instrument, which in turn replaces 5 different instruments. It also provides installation testing to AS/NZS 3000 and AS/NZS 3017 Standard. This remarkable unit provides more tests than other any comparable tester.
$1,723.85 Excl. GST
1300 393 583
If you have any questions about this product, call our customer service or send us an e-mail.

The Mi-3125 InstalTest COMBO is a multifunction installation tester offers more tests than any other similar testers.

Its diverse range of testing functions basically combines 5 different instruments into one - a Multimeter, RCD tester, Fault Loop Impedance , Phase Sequence Tester and Insulation Tester. The Mi-3125 also contains a unique 'test sockets in seconds' which allows for single push button operation (instead of 4 tests) without any leads, along with user-defined pass/fail indication and limits. 

Additionally, the unit comes with a long battery life (rechargeable), automatic test cycling and highly user-friendly software interface.


  • Test sockets without lead
  • LED Pass/Fail Identification
  • Data logging
  • Report generation
  • Automatic test cycling
  • Installation testing AS/NZS 3000 and 3017
  • User-friendly software interface
  • On-screen help
  • Long battery life (rechargeable)


Carry Straps, 3x Test Leads, 3x Probes, 3x Crocodile Clips, Power Supply, USB Cable, RS232 Connection, Software, Manual and Calibration Certificate.

  • 0 - 550V
  • 0 - 499.9Hz
  • 200mA for earth resistance
  • 50V to 1000V
  • trip time and current, 10mA, 30mA
  • 600V CAT III and 300V CAT IV

A full spec sheet is available to download


All products are sent Australia-wide via Express Delivery

  • Orders made before 3pm are dispatched the same day.
  • Free delivery is given for all orders over $100.
  • Reliable delivery with tracking and signature upon receiving your item - unless otherwise notified.

Please see our Deliveries page for a full state-by-state guide. 


We stand by the products we sell, which is why we offer a 100% money back guarantee for up to 7 days from receiving your item. 

See how we stand by Our Guarantee.